Application of topical anesthesia with lidocaine through the laryngotracheal topical anesthesia kit and thyrocricoid puncture in emergency treatment on patients with acute craniocerebral injury during blind nasotracheal intubation
Objective To investigate the application effect of topical anesthesia with 2%lidocaine through the laryngotracheal topical anesthesia kit and thyrocricoid puncture in emergency treatment on patients with acute craniocerebral injury during blind nasotracheal intubation .Methods Sixty patients with acute craniocerebral injury by blind nasotracheal intubation were randomly divided into 2 groups:thyrocricoid puncture group(Ⅰgroup)and laryngotracheal topical anesthesia kit and thyrocricoid puncture group(Ⅱgroup) .All patients were underwent blind nasotracheal intubation.The highest values of MAP and HR during intubation between the 2 groups were compared,the incidence of changes MAP and HR>30%of baseline values was recorded.The intubation response was scored,and the frequencies of blind nasotracheal intubation were recorded.Results The highest values of MAP and HR during intubation and the incidence of changes MAP and HR >30%of baseline values were signifi-cantly lower in group Ⅱ than in group Ⅰ(P<0.05).The intubation response scores and the frequencies of blind nasotracheal intubation were lower in group Ⅱ than in group Ⅰ(P<0.05).The difference was statistically significant.Conclusion It is a more perfect,effective,and safe topical anesthesia with 2% lidocaine through the la-ryngotracheal topical anesthesia kit and thyrocricoid puncture ,which can effectively reduce the cardiovascular response and the cough reflex to tracheal intubation in pa-tients with craniocerebral injury during the blind nasotracheal intubation ,furthermore which can improve successful rate of the blind nasotracheal intubation.
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